The company, which recently secured $300,000, is also among the final deals done by Imlay Investments.

Whisper is a play on the explosive growth in e-commerce and mobile payments as Americans bank and shop on-the-go. Online privacy, as a result, is becoming a critical issue for businesses and consumers.

The technology has been developed with more than $1 million in grants, from the National Science Foundation, Georgia Tech, University of Cambridge, the Georgia Research Alliance and other institutions.